Mirror assembly



FIG. 1 is a front right perspective view of a mirror assembly showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a right side elevational view thereof.

The bottom of the mirror assembly which is not shown in the drawings and the written matter on the front of the mirror assembly form no part of the claimed design. 

The ornamental design for a “mirror assembly,” as shown and described. 